fixed examples/*/setrun.py so comments give correct limiters...
Changed limiter used for some examples to match previous 4.x choices
modified examples/*/setplot.py to use new JSAnimation for movies...
based on clawpack/visclaw#72.
Merge pull request #61 from rjleveque/fix-limiter

Fix limiter
changed comment on alternate html_movie='4.x'
compute cflmax in a different place
Merge pull request #62 from rjleveque/cflmax

compute clfmax in different place and html_movie='4.x'
Merge remote-tracking branch 'clawpack/master'